Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) facility segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Accounting Policies [Abstract]
Number of independent living facilities operated | facility	3
Accumulated amortization of deferred financing costs	$ 2,600,000		$ 3,300,000
Reserve against receivables	0		$ 0
Stock-based compensation expense	$ 431,000	$ 366,000
Number of reportable segments | segment	1